:root{
  --bg:#0a0f14;--fg:#e8eef3;--muted:#a8bdc9;--brand:#7b9cff;--accent:#9f7bff;--glass:rgba(10,15,20,.6);
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,"Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--fg);line-height:1.6}
.brand{font-family:Marcellus,serif;letter-spacing:.6px}

#bg-video{position:fixed;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;filter:contrast(1.05) saturate(1.2) brightness(.8)}
.backdrop{position:fixed;inset:0;z-index:-1;background:radial-gradient(1200px 800px at 70% 80%,rgba(159,123,255,.20),transparent 60%),linear-gradient(to bottom,rgba(10,15,20,.55),rgba(10,15,20,.85))}

.site-header{position:fixed;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:16px 22px;background:linear-gradient(to bottom,rgba(10,15,20,.75),rgba(10,15,20,0));backdrop-filter:saturate(1.2) blur(6px);z-index:10}
.site-header .brand{font-size:20px;color:#fff}
.social .btn{margin-left:8px}

.btn{display:inline-block;padding:10px 14px;border-radius:999px;text-decoration:none;border:1px solid rgba(255,255,255,.25);color:#fff;transition:.2s background,.2s transform}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:linear-gradient(135deg,var(--brand),var(--accent));border-color:transparent}
.btn.ghost{background:transparent}

main{max-width:1200px;margin:0 auto;padding:120px 20px 64px}
.hero{text-align:center;margin-top:48px}
.hero h1{font-family:Marcellus,serif;font-size:44px;line-height:1.15;margin:0 0 14px}
.hero .lead{max-width:820px;margin:0 auto 22px;color:var(--muted)}
.cta{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.fallback{width:100%;max-width:960px;border-radius:12px;box-shadow:0 10px 40px rgba(0,0,0,.3)}

.features{margin-top:64px}
.features h2,.seo h2,.cta-bottom h2{font-family:Marcellus,serif;letter-spacing:.5px}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:16px 0 0;padding:0;list-style:none}
.grid li{background:var(--glass);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:16px;backdrop-filter:blur(6px)}
.grid h3{margin:0 0 6px;font-size:18px}
.grid p{margin:0;color:var(--muted)}

.seo{margin-top:56px;max-width:980px;margin-left:auto;margin-right:auto;color:#d6e2eb}
.seo p{margin:6px 0}

.cta-bottom{margin-top:56px;text-align:center}

.site-footer{margin-top:72px;text-align:center;color:#b7c7d4;opacity:.9}

@media (max-width:920px){
  .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero h1{font-size:36px}
}
@media (max-width:560px){
  .grid{grid-template-columns:1fr}
  main{padding-top:100px}
}